ORDER PASSERES. 1 85 



457. Sayornis saya (Bonap.). 



Say's Phoebe. 



Muscicapa saya Bonap. Am. Orn. I. 1825, 20. 

 Sayornis sayus Baird, B. N. Am. 1858, 185. 



[B 136, C 250, R 316, C 377.] 



Geog. Dist. — Western United States, from the Plains (central 

 North and South Dakota, Nebraska and Kansas) to the Pacific ; 

 north along the Yukon River to the Arctic Circle ; south to Cape 

 St. Lucas and over the Mexican Plateau to Puebla and central Vera 

 Cruz. Accidental in Massachusetts. 



458. Sayornis nigricans (Swains.). 



Black Phcebe. 



Tyrannula nigricans Swains. Phil. Mag. I. May, 1827, 367. 

 Sayornis nigricans Bonap. Coll. Delattre, 1854, 87. 



[B 134, C 251, R 317, C 378.] 



Geog. Dist. — Southwestern United States, from Texas through 

 southern New Mexico and Arizona to California, and northward 

 along the Pacific coast to Washington ; south to Cape St. Lucas, Lower 

 California, and in Mexico to Oaxaca. 



Genus CONTOPUS Cabanis. 



Contopiis Cab. J. f. O. III. Nov. 1855, 479. Type, Muscicapa 

 virens Linn. 



Subgenus NUTTALLORNIS Ridgw. 



Nuttallornis Ridgw. Man. N. Am. B. 1887, 337. Type, Tyran- 

 niis borealis Swains. 



459. Contopus borealis (Swains.). 

 Olive-sided Flycatclier. 



Tyrannus borealis Swains, in Sw. & Rich. Faun. B. A. IL 



1831, 141, pi. 35. 

 Contopus borealis Baird, B. N. Am. 1858, 188. 



